Why did that happen?, How does that work?, What will happen if..?. Young children ask questions about the world around them all day long. They are filled with curiosity and the desire to learn.Bubbles, Rainbows, and Wormsteaches children about the world using hands-on experiments with plants, the environment, air and water, and the senses. Back by popular demand and completely updated, this was the first book published by Gryphon House.